JPH06100343B2 - microwave - Google Patents
microwaveInfo
- Publication number
- JPH06100343B2 JPH06100343B2 JP15175688A JP15175688A JPH06100343B2 JP H06100343 B2 JPH06100343 B2 JP H06100343B2 JP 15175688 A JP15175688 A JP 15175688A JP 15175688 A JP15175688 A JP 15175688A JP H06100343 B2 JPH06100343 B2 JP H06100343B2
- Authority
- JP
- Japan
- Prior art keywords
- heating chamber
- terminal portion
- tube
- heat resistant
- end portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000012212 insulator Substances 0.000 claims description 48
- 238000010438 heat treatment Methods 0.000 claims description 39
- 238000009413 insulation Methods 0.000 claims description 39
- 239000002184 metal Substances 0.000 claims description 38
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 230000006866 deterioration Effects 0.000 description 8
- 235000008429 bread Nutrition 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
Landscapes
- Electric Ovens (AREA)
Description
【発明の詳細な説明】 （イ）産業上の利用分野 本発明は電子レンジに関する。DETAILED DESCRIPTION OF THE INVENTION (A) Field of Industrial Application The present invention relates to a microwave oven.
（ロ）従来の技術 最近、電子レンジにおいて、耐熱絶縁管及び該絶縁管内
に配置されたヒータ線からなるヒータ（実公昭62−4718
1号公報参照）を加熱室内に配設し、斯るヒータにより
食パンを焼く所謂トースト機能を付加した製品が人気を
集めている。この場合、上記ヒータの配設にあたっては
ヒータ線を加熱室の壁面に貫通している。そして、この
貫通部からマイクロ波が外部へ漏れないような構造がと
られている。(B) Prior Art Recently, in a microwave oven, a heater composed of a heat-resistant insulating tube and a heater wire arranged in the insulating tube (Jitsuko Sho 62-4718).
A product in which a so-called toast function of baking bread with such a heater is provided is becoming popular. In this case, when disposing the heater, the heater wire penetrates the wall surface of the heating chamber. The structure is such that the microwave does not leak to the outside from this penetrating portion.
しかしながら、上記貫通部から水蒸気が外部へ漏れない
ような対策は施されておらず、従ってこの漏れた水蒸気
がその後ヒータ線の加熱室外の部分等に結露すると電子
レンジの絶縁性能が劣化してしまう。However, no measures have been taken to prevent water vapor from leaking to the outside from the penetrating portion. Therefore, if the leaked water vapor condenses on the portion of the heater wire outside the heating chamber, the insulation performance of the microwave oven will deteriorate. .
（ハ）発明が解決しようとする課題 本発明は、ヒータ線の貫通部からマイクロ波が漏れない
ようにし、且つ漏れ水蒸気による絶縁性能の劣化を防止
せんとするものである。(C) Problems to be Solved by the Invention The present invention is intended to prevent microwaves from leaking from the penetrating portion of the heater wire and prevent deterioration of insulation performance due to leaked steam.
（ニ）課題を解決するための手段 本発明は、加熱室と、該加熱室内にマイクロ波を供給す
るマイクロ波供給手段と、耐熱絶縁管及び該耐熱絶縁管
内に配置されたヒータ線からなるヒータと、上記ヒータ
線の端部に設け給電用リード線に接続する端子部と、上
記耐熱絶縁管の端部を覆って上記絶縁耐熱管を支持する
と共に上記端子部を上記耐熱絶縁管内から外部に貫通さ
せて上記端部を支持する絶縁支持碍子と、上記加熱室の
壁面に形成して上記端子部と共に上記絶縁支持碍子を貫
通させる開口と、該開口から上記加熱室内に延び上記ヒ
ータの端部を覆う金属製マイクロ波シールパイプと、上
記端子部及び上記絶縁支持碍子が貫通する孔を有し上記
開口を狭める金属体とからなる電子レンジにおいて、上
記絶縁支持碍子と上記金属体とで狭持されたリング状弾
性体を設けたこと、または上記絶縁支持碍子と上記金属
体の両面に跨って筒状弾性体を配置したこと、または上
記絶縁支持碍子の外面に鍔状板を圧接固定したこと、ま
たは上記絶縁支持碍子の端面に上記端子部に上記給電用
リード線を固定するナットにより絶縁性鍔状板を固定し
たこと、または上記絶縁支持碍子及び上記金属製マイク
ロ波シールパイプに互いに係り合う螺子を形成したこ
と、または上記絶縁支持碍子及び上記金属体に互いに係
り合う螺子を形成したことを特徴とする。(D) Means for Solving the Problem The present invention provides a heater including a heating chamber, a microwave supply unit for supplying microwaves to the heating chamber, a heat-resistant insulating tube, and a heater wire arranged in the heat-resistant insulating tube. A terminal portion provided at an end of the heater wire and connected to a power supply lead wire, and an end of the heat resistant insulation tube is covered to support the insulated heat resistant tube, and the terminal section is provided from the inside of the heat resistant insulation tube to the outside. An insulating support insulator that penetrates through and supports the end portion, an opening that is formed on the wall surface of the heating chamber to penetrate the insulating support insulator together with the terminal portion, and an end portion of the heater that extends from the opening into the heating chamber. In a microwave oven comprising a metal microwave seal pipe covering the above and a metal body having a hole through which the terminal portion and the insulating support insulator penetrate and narrowing the opening, the insulating support insulator and the metal body sandwich the same. It A ring-shaped elastic body is provided, or a cylindrical elastic body is arranged across both sides of the insulating support insulator and the metal body, or a collar plate is press-fixed to the outer surface of the insulating support insulator. Or, the insulating brim plate is fixed to the end face of the insulating support insulator by a nut for fixing the power supply lead wire to the terminal portion, or the insulating support insulator and the metal microwave seal pipe are engaged with each other. It is characterized in that a screw is formed, or a screw that engages with each other is formed on the insulating support insulator and the metal body.
（ホ）作用 ヒータ線が加熱室の壁面を貫通する開口部分に設けられ
た上記マイクロ波シールパイプ及び金属体により、上記
開口部分から外部へマイクロ波が漏れるのが抑制され
る。又、上記リング状弾性体、筒状弾性体、鍔状板、絶
縁性鍔状板、上記碍子及びパイプに形成された螺子、又
は上記碍子及び金属体に形成された螺子の作用により、
水蒸気が上記開口部分から外部へ漏れてヒータ線の端子
部の加熱室外の部分に結露するのが抑制され、絶縁性能
の劣化防止が図られる。(E) Action The microwave seal pipe and the metal body provided in the opening where the heater wire penetrates the wall surface of the heating chamber suppresses the microwave from leaking to the outside from the opening. Further, by the action of the ring-shaped elastic body, the tubular elastic body, the collar plate, the insulating collar plate, the screw formed on the insulator and the pipe, or the screw formed on the insulator and the metal body,
It is possible to prevent water vapor from leaking to the outside from the opening portion and condensing on the portion of the terminal portion of the heater wire outside the heating chamber, thereby preventing deterioration of the insulation performance.
（ヘ）実施例 第１図及び第２図は本発明第１の実施例の電子レンジを
示し、（１）は加熱室、（２）は該加熱室内に導波管
（３）を介してマイクロ波を供給するマグネトロン、
（４）はガラス製の耐熱絶縁管（５）及び該絶縁管内に
配置されたヒータ線（６）からなるヒータ、（７）は上
記加熱室（１）の側壁面（８）に形成された開口、
（９）は一方の端面に環状の凹溝を、また他方の端部に
小径部（10）を有する絶縁支持碍子である。該絶縁支持
碍子（９）の凹溝には、耐熱絶縁管（５）の端部を挿
入、即ち耐熱絶縁管（５）の端部を覆って、耐熱絶縁管
（５）を支持している。また、上記絶縁支持碍子（９）
は、耐熱絶縁管（５）内から外部に上記ヒータ線（６）
の端子部（11）を貫通させて、上記端支部を支持してい
る。尚、上記絶縁支持碍子（９）は上記端子部（11）と
共に上記開口（７）を貫通している。（12）は上記開口
（７）から上記加熱室（１）内に延び上記ヒータ（４）
の端部を覆う金属製マイクロ波シールパイプで、該パイ
プは一端に固定の金属鍔（13）が側壁面（８）の外側に
係合する状態で固定されている。（14）は上記碍子
（９）の小径部（10）及びヒータ線（６）の端子部（1
1）が貫通する孔（15）を有し、上記開口（７）を狭め
る金属体、（16）は上記碍子（９）の小径部（10）と上
記金属体（14）の孔縁部（17）とで狭持されたシリコン
ゴムの如き耐熱性リング状弾性体、（18）（19）は上記
ヒータ線（６）の端子部（11）にねじ込まれ且つ上記ヒ
ータ線（６）へ給電するリード線（20）を上記端子部
（11）に狭持固定する一対のナットである。(F) Embodiment FIG. 1 and FIG. 2 show a microwave oven according to a first embodiment of the present invention, wherein (1) is a heating chamber and (2) is a waveguide in the heating chamber via a waveguide (3). Magnetron, which supplies microwaves
(4) is a heater consisting of a glass heat resistant insulation tube (5) and a heater wire (6) arranged in the insulation tube, and (7) is formed on the side wall surface (8) of the heating chamber (1). Opening,
(9) is an insulating support insulator having an annular groove on one end surface and a small diameter portion (10) on the other end portion. The end of the heat resistant insulation pipe (5) is inserted into the groove of the insulating support insulator (9), that is, the end of the heat resistant insulation pipe (5) is covered to support the heat resistant insulation pipe (5). . In addition, the insulating support insulator (9)
Is the above-mentioned heater wire (6) from the inside of the heat resistant insulation pipe (5) to the outside.
The terminal portion (11) of (1) is penetrated to support the end supporting portion. The insulating support insulator (9) penetrates the opening (7) together with the terminal portion (11). The heater (4) extends from the opening (7) into the heating chamber (1).
Is a metal microwave sealing pipe that covers the end of the pipe. The pipe has a metal flange (13) fixed to one end thereof and fixed to the outside of the side wall surface (8). (14) is the small diameter part (10) of the insulator (9) and the terminal part (1) of the heater wire (6).
1) has a hole (15) penetrating therethrough and narrows the opening (7), and (16) represents a small diameter portion (10) of the insulator (9) and a hole edge portion ( A heat-resistant ring-shaped elastic body such as silicon rubber sandwiched between 17) and (18) (19) is screwed into the terminal portion (11) of the heater wire (6) and supplies power to the heater wire (6). A pair of nuts for holding and fixing the lead wire (20) to the terminal portion (11).
斯る構成において、上記ヒータ線（６）の端子部（11）
が加熱室（１）の側壁面（８）を貫通する上記開口
（７）に対し、上記マイクロ波シールパイプ（12）及び
金属体（14）が存在していることにより、上記開口
（７）を通ってマイクロ波が外部へ漏れるのが顕著に抑
制される。In such a configuration, the terminal portion (11) of the heater wire (6)
Since the microwave seal pipe (12) and the metal body (14) are present in the opening (7) that penetrates the side wall surface (8) of the heating chamber (1), the opening (7) The microwave is remarkably suppressed from leaking to the outside.
更に、上記碍子（９）と上記パイプ（12）及び金属体
（14）との間には生産工程上0.2〜0.6mm程度の隙間（2
1）が生じ、この場合この隙間（21）を通って加熱中に
発生する水蒸気が矢印で示す如く外部へ漏出しようとす
る。この水蒸気の漏出がこのままなされると、漏出水蒸
気がその後上記ヒータ線（６）の端子部（11）の先端付
近に結露し、従ってこの付近の絶縁性能が劣化してしま
う。しかるに、上記構成の場合、上記リング状弾性体
（16）が上記隙間（21）を塞いでいるため、上述の如き
水蒸気の漏出は起らず、従って上記ヒータ線（６）の端
子部（11）の先端付近での絶縁性能劣化が生じるのが防
止される。Further, a gap (2) of about 0.2 to 0.6 mm is formed between the insulator (9) and the pipe (12) and the metal body (14) in the production process.
1) occurs, and in this case, the water vapor generated during heating tends to leak to the outside through the gap (21) as shown by the arrow. If the water vapor leaks as it is, the leaked water vapor will then condense near the tip of the terminal portion (11) of the heater wire (6), thus deteriorating the insulation performance in this vicinity. However, in the case of the above configuration, since the ring-shaped elastic body (16) closes the gap (21), the above-mentioned leakage of water vapor does not occur, and therefore the terminal portion (11) of the heater wire (6) is not generated. It is prevented that the insulation performance is deteriorated in the vicinity of the end of).
第３図は本発明第２の実施例の電子レンジを示し、この
場合上記碍子（９）と金属体（14）の両面に跨って耐熱
筒状弾性体（22）が配置されており、この弾性体（22）
により上記隙間（21）が塞がれ、従って水蒸気の漏出が
起らず絶縁性能劣化が防止される。FIG. 3 shows a microwave oven according to a second embodiment of the present invention, in which a heat-resistant tubular elastic body (22) is arranged across both sides of the insulator (9) and the metal body (14). Elastic body (22)
As a result, the gap (21) is closed, so that the leakage of water vapor does not occur and the deterioration of the insulation performance is prevented.
第４図は本発明第３の実施例の電子レンジを示し、この
場合上記碍子（９）の小径部（10）の外面に鍔状板（2
3）が圧接固定されており、これにより上記隙間（21）
から水蒸気が外部へ漏れても、斯る水蒸気は上記鍔状板
（23）に阻止されて上記ヒータ線（６）の端子部（11）
の先端付近に至ることができず、従ってこの付近の絶縁
性能劣化が防止される。FIG. 4 shows a microwave oven according to a third embodiment of the present invention, in which the collar-shaped plate (2) is provided on the outer surface of the small diameter portion (10) of the insulator (9).
3) is fixed by pressure contact, which results in the above gap (21).
Even if water vapor leaks from the outside, the water vapor is blocked by the flange plate (23) and the terminal portion (11) of the heater wire (6) is
Cannot reach the tip end of the wire, and therefore, the insulation performance deterioration in this area can be prevented.
第５図は本発明の第４の実施例の電子レンジを示し、こ
の場合上記碍子（９）の小径部（10）端面に、上記ヒー
タ線（６）の端子部（11）にリード線（20）を固定する
ナット（18）（19）により、マイカ板の如き耐熱絶縁性
鍔状板（24）が固定されている。これにより、水蒸気は
外部へ漏れても上記鍔状板（24）に阻止されてヒータ線
（６）の端子部（11）の先端付近に至ることができず、
従ってこの付近の絶縁性能劣化が防止される。FIG. 5 shows a microwave oven according to a fourth embodiment of the present invention. In this case, at the end face of the small diameter portion (10) of the insulator (9), at the terminal portion (11) of the heater wire (6), a lead wire ( A heat-resistant and insulating flange plate (24) such as a mica plate is fixed by nuts (18) (19) that fix the 20). As a result, even if water vapor leaks to the outside, it cannot be reached by the collar plate (24) and reach the tip of the terminal portion (11) of the heater wire (6).
Therefore, the insulation performance deterioration in this vicinity is prevented.
第６図は本発明第５の実施例の電子レンジを示し、この
場合上記碍子（９）及びパイプ（12）に互いに係り合う
螺子（25）（26）が形成されており、この螺子（25）
（26）の係り合いにより上記隙間（21）が塞がれ、従っ
て水蒸気の漏出が起らず、絶縁性能劣化が防止される。FIG. 6 shows a microwave oven according to a fifth embodiment of the present invention. In this case, the insulator (9) and the pipe (12) are provided with screws (25) and (26) which engage with each other. )
Due to the engagement of (26), the gap (21) is closed, so that the leakage of water vapor does not occur and the deterioration of the insulation performance is prevented.
第７図は本発明第６の実施例の電子レンジを示し、この
場合上記碍子（９）の小径部（10）及び金属体（14）の
孔縁部（17）に互いに係り合う螺子（27）（28）が形成
されており、この螺子（27）（28）の係り合いにより上
記隙間（21）が塞がれ、従って水蒸気の漏出が起らず、
絶縁性能劣化が防止される。FIG. 7 shows a microwave oven according to a sixth embodiment of the present invention. In this case, a screw (27) engaged with the small diameter portion (10) of the insulator (9) and the hole edge portion (17) of the metal body (14). ) (28) is formed, and the gap (21) is closed by the engagement of the screws (27) (28), so that the leakage of water vapor does not occur,
Insulation performance deterioration is prevented.
尚、上記第２乃至第６の実施例において、第１の実施例
と同一部分には同一符号を記してその説明を省略した。In the second to sixth embodiments described above, the same parts as those in the first embodiment are designated by the same reference numerals and the description thereof is omitted.
（ト）発明の効果 本発明によれば、ヒータ線の貫通部からマイクロ波が漏
れないようにでき、且つ水蒸気による絶縁性能の劣化を
防止でき、極めて実用的な電子レンジを提供できる。(G) Effect of the Invention According to the present invention, it is possible to prevent microwaves from leaking from the penetrating portion of the heater wire, prevent deterioration of insulation performance due to water vapor, and provide a very practical microwave oven.
第１図は本発明第１の実施例の断面図、第２図は同要部
断面図、第３図は本発明第２の実施例の要部断面図、第
４図は本発明第３の実施例の要部断面図、第５図は本発
明第４の実施例の要部断面図、第６図は本発明第５の実
施例の要部断面図、第７図は本発明第６の実施例の要部
断面図である。 （１）…加熱室、（２）…マグネトロン、（４）…ヒー
タ、（５）…耐熱絶縁管、（６）…ヒータ線、（７）…
開口、（９）…絶縁支持碍子、（12）…金属製マイクロ
波シールパイプ、（14）…金属体、（15）…孔、（16）
…リング状弾性体、（18）（19）…ナット、（22）…筒
状弾性体、（23）…鍔状板、（24）…絶縁性鍔状板、
（25）（26）（27）（28）…螺子。FIG. 1 is a sectional view of a first embodiment of the present invention, FIG. 2 is a sectional view of an essential part of the same, FIG. 3 is a sectional view of an essential part of a second embodiment of the present invention, and FIG. FIG. 5 is a sectional view of an essential part of the fourth embodiment of the present invention, FIG. 6 is a sectional view of an essential part of the fifth embodiment of the present invention, and FIG. It is a principal part sectional drawing of the 6th Example. (1) ... Heating chamber, (2) ... Magnetron, (4) ... Heater, (5) ... Heat resistant insulating tube, (6) ... Heater wire, (7) ...
Opening, (9) ... Insulating support insulator, (12) ... Metal microwave seal pipe, (14) ... Metal body, (15) ... Hole, (16)
... Ring-shaped elastic body, (18) (19) ... Nut, (22) ... Cylindrical elastic body, (23) ... Collar plate, (24) ... Insulating collar plate,
(25) (26) (27) (28)… Screws.
Claims (6)
するマイクロ波供給手段と、耐熱絶縁管及び該耐熱絶縁
管内に配置されたヒータ線からなるヒータと、上記ヒー
タ線の端部に設け給電用リード線に接続する端子部と、
上記耐熱絶縁管の端部を覆って上記絶縁耐熱管を支持す
ると共に上記端子部を上記耐熱絶縁管内から外部に貫通
させて上記端部を支持する絶縁支持碍子と、上記加熱室
の壁面に形成して上記端子部と共に上記絶縁支持碍子を
貫通させる開口と、該開口から上記加熱室内に延び上記
ヒータの端部を覆う金属製マイクロ波シールパイプと、
上記端子部及び上記絶縁支持碍子が貫通する孔を有し上
記開口を狭める金属体とからなる電子レンジにおいて、
上記絶縁支持碍子と上記金属体とで狭持されたリング状
弾性体を設けたことを特徴とする電子レンジ。1. A heating chamber, a microwave supply means for supplying microwaves to the heating chamber, a heater composed of a heat-resistant insulating tube and a heater wire arranged in the heat-resistant insulating tube, and an end portion of the heater wire. Provided with a terminal portion connected to the power supply lead wire,
Formed on the wall surface of the heating chamber, and an insulating support insulator that covers the end portion of the heat resistant insulation tube and supports the insulation heat resistant tube, and penetrates the terminal portion from the inside of the heat resistant insulation tube to the outside to support the end portion. An opening for penetrating the insulating support insulator together with the terminal portion, a metal microwave seal pipe extending from the opening into the heating chamber and covering an end portion of the heater,
In a microwave oven comprising a metal body having a hole through which the terminal portion and the insulating support insulator penetrate, and a metal body narrowing the opening,
A microwave oven provided with a ring-shaped elastic body sandwiched between the insulating support insulator and the metal body.
するマイクロ波供給手段と、耐熱絶縁管及び該耐熱絶縁
管内に配置されたヒータ線からなるヒータと、上記ヒー
タ線の端部に設け給電用リード線に接続する端子部と、
上記耐熱絶縁管の端部を覆って上記絶縁耐熱管を支持す
ると共に上記端子部を上記耐熱絶縁管内から外部に貫通
させて上記端部を支持する絶縁支持碍子と、上記加熱室
の壁面に形成して上記端子部と共に上記絶縁支持碍子を
貫通させる開口と、該開口から上記加熱室内に延び上記
ヒータの端部を覆う金属製マイクロ波シールパイプと、
上記端子部及び上記絶縁支持碍子が貫通する孔を有し上
記開口を狭める金属体とからなる電子レンジにおいて、
上記絶縁支持碍子と上記金属体の両面に跨って筒状弾性
体を配置したことを特徴とする電子レンジ。2. A heating chamber, a microwave supply means for supplying microwaves into the heating chamber, a heater consisting of a heat-resistant insulating tube and a heater wire arranged in the heat-resistant insulating tube, and an end portion of the heater wire. Provided with a terminal portion connected to the power supply lead wire,
Formed on the wall surface of the heating chamber, and an insulating support insulator that covers the end portion of the heat resistant insulation tube and supports the insulation heat resistant tube, and penetrates the terminal portion from the inside of the heat resistant insulation tube to the outside to support the end portion. An opening for penetrating the insulating support insulator together with the terminal portion, a metal microwave seal pipe extending from the opening into the heating chamber and covering an end portion of the heater,
In a microwave oven comprising a metal body having a hole through which the terminal portion and the insulating support insulator penetrate, and a metal body narrowing the opening,
A microwave oven in which a cylindrical elastic body is arranged across both surfaces of the insulating support insulator and the metal body.
するマイクロ波供給手段と、耐熱絶縁管及び該耐熱絶縁
管内に配置されたヒータ線からなるヒータと、上記ヒー
タ線の端部に設け給電用リード線に接続する端子部と、
上記耐熱絶縁管の端部を覆って上記絶縁耐熱管を支持す
ると共に上記端子部を上記耐熱絶縁管内から外部に貫通
させて上記端部を支持する絶縁支持碍子と、上記加熱室
の壁面に形成して上記端子部と共に上記絶縁支持碍子を
貫通させる開口と、該開口から上記加熱室内に延び上記
ヒータの端部を覆う金属製マイクロ波シールパイプと、
上記端子部及び上記絶縁支持碍子が貫通する孔を有し上
記開口を狭める金属体とからなる電子レンジにおいて、
上記絶縁支持碍子の外面に鍔状板を圧接固定したことを
特徴とする電子レンジ。3. A heating chamber, a microwave supply means for supplying microwaves to the heating chamber, a heater consisting of a heat resistant insulating tube and a heater wire arranged in the heat resistant insulating tube, and an end portion of the heater wire. Provided with a terminal portion connected to the power supply lead wire,
Formed on the wall surface of the heating chamber, and an insulating support insulator that covers the end portion of the heat resistant insulation tube and supports the insulation heat resistant tube, and penetrates the terminal portion from the inside of the heat resistant insulation tube to the outside to support the end portion. An opening for penetrating the insulating support insulator together with the terminal portion, a metal microwave seal pipe extending from the opening into the heating chamber and covering an end portion of the heater,
In a microwave oven comprising a metal body having a hole through which the terminal portion and the insulating support insulator penetrate, and a metal body narrowing the opening,
A microwave oven characterized in that a flange-shaped plate is press-contacted and fixed to the outer surface of the insulating support insulator.
するマイクロ波供給手段と、耐熱絶縁管及び該耐熱絶縁
管内に配置されたヒータ線からなるヒータと、上記ヒー
タ線の端部に設け給電用リード線に接続する端子部と、
上記耐熱絶縁管の端部を覆って上記絶縁耐熱管を支持す
ると共に上記端子部を上記耐熱絶縁管内から外部に貫通
させて上記端部を支持する絶縁支持碍子と、上記加熱室
の壁面に形成して上記端子部と共に上記絶縁支持碍子を
貫通させる開口と、該開口から上記加熱室内に延び上記
ヒータの端部を覆う金属製マイクロ波シールパイプと、
上記端子部及び上記絶縁支持碍子が貫通する孔を有し上
記開口を狭める金属体とからなる電子レンジにおいて、
上記絶縁支持碍子の端面に上記端子部に上記給電用リー
ド線を固定するナットにより絶縁性鍔状板を固定したこ
とを特徴とする電子レンジ。4. A heating chamber, a microwave supply means for supplying microwaves into the heating chamber, a heater consisting of a heat resistant insulating tube and a heater wire arranged in the heat resistant insulating tube, and an end portion of the heater wire. Provided with a terminal portion connected to the power supply lead wire,
Formed on the wall surface of the heating chamber, and an insulating support insulator that covers the end portion of the heat resistant insulation tube and supports the insulation heat resistant tube, and penetrates the terminal portion from the inside of the heat resistant insulation tube to the outside to support the end portion. An opening for penetrating the insulating support insulator together with the terminal portion, a metal microwave seal pipe extending from the opening into the heating chamber and covering an end portion of the heater,
In a microwave oven comprising a metal body having a hole through which the terminal portion and the insulating support insulator penetrate, and a metal body narrowing the opening,
A microwave oven, characterized in that an insulating collar-shaped plate is fixed to an end face of the insulating support insulator by a nut for fixing the power supply lead wire to the terminal portion.
するマイクロ波供給手段と、耐熱絶縁管及び該耐熱絶縁
管内に配置されたヒータ線からなるヒータと、上記ヒー
タ線の端部に設け給電用リード線に接続する端子部と、
上記耐熱絶縁管の端部を覆って上記絶縁耐熱管を支持す
ると共に上記端子部を上記耐熱絶縁管内から外部に貫通
させて上記端部を支持する絶縁支持碍子と、上記加熱室
の壁面に形成して上記端子部と共に上記絶縁支持碍子を
貫通させる開口と、該開口から上記加熱室内に延び上記
ヒータの端部を覆う金属製マイクロ波シールパイプと、
上記端子部及び上記絶縁支持碍子が貫通する孔を有し上
記開口を狭める金属体とからなる電子レンジにおいて、
上記絶縁支持碍子及び上記金属製マイクロ波シールパイ
プに互いに係り合う螺子を形成したことを特徴とする電
子レンジ。5. A heating chamber, a microwave supply means for supplying microwaves into the heating chamber, a heater consisting of a heat-resistant insulating tube and a heater wire arranged in the heat-resistant insulating tube, and an end portion of the heater wire. Provided with a terminal portion connected to the power supply lead wire,
Formed on the wall surface of the heating chamber, and an insulating support insulator that covers the end portion of the heat resistant insulation tube and supports the insulation heat resistant tube, and penetrates the terminal portion from the inside of the heat resistant insulation tube to the outside to support the end portion. An opening for penetrating the insulating support insulator together with the terminal portion, a metal microwave seal pipe extending from the opening into the heating chamber and covering an end portion of the heater,
In a microwave oven comprising a metal body having a hole through which the terminal portion and the insulating support insulator penetrate, and a metal body narrowing the opening,
A microwave oven characterized in that a screw engaging with each other is formed on the insulating support insulator and the metal microwave seal pipe.
するマイクロ波供給手段と、耐熱絶縁管及び該耐熱絶縁
管内に配置されたヒータ線からなるヒータと、上記ヒー
タ線の端部に設け給電用リード線に接続する端子部と、
上記耐熱絶縁管の端部を覆って上記絶縁耐熱管を支持す
ると共に上記端子部を上記耐熱絶縁管内から外部に貫通
させて上記端部を支持する絶縁支持碍子と、上記加熱室
の壁面に形成して上記端子部と共に上記絶縁支持碍子を
貫通させる開口と、該開口から上記加熱室内に延び上記
ヒータの端部を覆う金属製マイクロ波シールパイプと、
上記端子部及び上記絶縁支持碍子が貫通する孔を有し上
記開口を狭める金属体とからなる電子レンジにおいて、
上記絶縁支持碍子及び上記金属体に互いに係り合う螺子
を形成したことを特徴とする電子レンジ。6. A heating chamber, a microwave supply means for supplying microwaves to the heating chamber, a heater comprising a heat resistant insulation tube and a heater wire arranged in the heat resistant insulation tube, and an end portion of the heater wire. Provided with a terminal portion connected to the power supply lead wire,
Formed on the wall surface of the heating chamber, and an insulating support insulator that covers the end portion of the heat resistant insulation tube and supports the insulation heat resistant tube, and penetrates the terminal portion from the inside of the heat resistant insulation tube to the outside to support the end portion. An opening for penetrating the insulating support insulator together with the terminal portion, a metal microwave seal pipe extending from the opening into the heating chamber and covering an end portion of the heater,
In a microwave oven comprising a metal body having a hole through which the terminal portion and the insulating support insulator penetrate, and a metal body narrowing the opening,
A microwave oven, characterized in that screws for engaging with each other are formed on the insulating support insulator and the metal body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15175688A JPH06100343B2 (en) | 1988-06-20 | 1988-06-20 | microwave |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15175688A JPH06100343B2 (en) | 1988-06-20 | 1988-06-20 | microwave |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01318814A JPH01318814A (en) | 1989-12-25 |
| JPH06100343B2 true JPH06100343B2 (en) | 1994-12-12 |
Family
ID=15525607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15175688A Expired - Lifetime JPH06100343B2 (en) | 1988-06-20 | 1988-06-20 | microwave |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH06100343B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108618652B (en) * | 2018-05-30 | 2024-08-30 | 广东美的厨房电器制造有限公司 | Home appliances |
-
1988
- 1988-06-20 JP JP15175688A patent/JPH06100343B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01318814A (en) | 1989-12-25 |
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